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Haze consists mostly of aerosols. To which extent varies on the location and conditions. Aerosols are for example dust, pollen, particulate matter, ash (or other pollutants due to combustion) and... a lot of other stuff. Basically, anything which is ligthly enough to float in the air and small enough to mostly not be seen by the naked eye (dust/sand are an ...


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Haze can have a number of causes. Sometimes it is due to moisture in the atmosphere, but not sufficient to form clouds, and sometimes it is due to pollution. In Britain it can on rare occasions be caused by dust picked up from the Sahara desert and carried northwards. As you suggest, it can sometimes be due to a combination of causes. In heavily polluted ...


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If plants were growing poorly when atmospheric CO2 was 200ppm, it was probably because Earth was in the middle of an ice age and covered with glaciers, not because plants were starved of carbon dioxide. All things being equal, increasing the amount of carbon dioxide available in the atmosphere can benefit some plants, but the problem is that all things do ...


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Musk didn't state his reasoning, but the only benefits of higher CO2 levels that I can see are that a) plants grow more vigorously, so therefore we can expect better crops, and where damaged forest is left alone it will regenerate more quickly, b) climate warming is an insurance against the next ice age or little ice age. There was a Little Ice Age between ...


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